Index: head/audio/xfce4-mixer/Makefile
===================================================================
--- head/audio/xfce4-mixer/Makefile	(revision 514213)
+++ head/audio/xfce4-mixer/Makefile	(revision 514214)
@@ -1,48 +1,48 @@
 # Created by: James Earl <jdearl@telus.net>
 # $FreeBSD$
 
 PORTNAME=	xfce4-mixer
 PORTVERSION=	4.11.0
 PORTREVISION=	5
 CATEGORIES=	audio xfce
 MASTER_SITES=	XFCE/apps
 DIST_SUBDIR=	xfce4
 
 MAINTAINER=	xfce@FreeBSD.org
 COMMENT=	Volume control for the Xfce desktop
 
 LICENSE=	GPLv2
 
 LIB_DEPENDS=	libdbus-glib-1.so:devel/dbus-glib \
 		libdbus-1.so:devel/dbus \
 		libunique-1.0.so:x11-toolkits/unique \
 		libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2
 
-USES=		gettext-tools gmake gnome libtool pkgconfig tar:bzip2 \
-		xfce:gtk2
+USES=		compiler:c11 gettext-tools gmake gnome libtool pkgconfig \
+		tar:bzip2 xfce:gtk2
 USE_GNOME=	cairo glib20 gtk20 intlhack intltool libxml2
 USE_XFCE=	panel
 USE_GSTREAMER=	good
 
 GNU_CONFIGURE=	yes
 INSTALLS_ICONS= yes
 MAKE_JOBS_UNSAFE=	yes
 
 OPTIONS_DEFINE=		KEYBIND NLS
 OPTIONS_SUB=		yes
 
 KEYBIND_DESC=		Multimedia keyboard shortcuts
 KEYBIND_LIB_DEPENDS=	libkeybinder.so:x11/keybinder
 KEYBIND_CONFIGURE_ENABLE=	keybinder
 
 NLS_USES=		gettext-runtime
 NLS_CONFIGURE_ENABLE=	nls
 
 post-patch:
 	@${FIND} ${WRKSRC} -name 'Makefile.in' -or -name 'xfce-mixer-track.c' \
 		-type f | ${XARGS} ${REINPLACE_CMD} -e \
 		's|(pkgdatadir)/icons|(datadir)/icons| ; \
 		s|pixmaps/xfce4-mixer|pixmaps|'
 
 .include <bsd.port.mk>
Index: head/sysutils/xfce4-places-plugin/Makefile
===================================================================
--- head/sysutils/xfce4-places-plugin/Makefile	(revision 514213)
+++ head/sysutils/xfce4-places-plugin/Makefile	(revision 514214)
@@ -1,31 +1,31 @@
 # $FreeBSD$
 
 PORTNAME=	xfce4-places-plugin
 PORTVERSION=	1.8.1
 CATEGORIES=	sysutils xfce
 MASTER_SITES=	XFCE/panel-plugins
 DIST_SUBDIR=	xfce4
 
 MAINTAINER=	xfce@FreeBSD.org
 COMMENT=	File browser launcher for Xfce4 panel plugin
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libnotify.so:devel/libnotify
 
-USES=		gettext-tools gmake gnome libtool pkgconfig \
+USES=		compiler:c11 gettext-tools gmake gnome libtool pkgconfig \
 		tar:bzip2 xfce xorg
 USE_GNOME=	cairo gdkpixbuf2 gtk30 intltool
 USE_XFCE=	panel thunar
 USE_XORG=	ice sm x11
 
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 
 OPTIONS_DEFINE=	NLS
 OPTIONS_SUB=	yes
 
 NLS_USES=	gettext-runtime
 
 .include <bsd.port.mk>
Index: head/x11/xfce4-wmdock-plugin/Makefile
===================================================================
--- head/x11/xfce4-wmdock-plugin/Makefile	(revision 514213)
+++ head/x11/xfce4-wmdock-plugin/Makefile	(revision 514214)
@@ -1,32 +1,32 @@
 # Created by: Martin Wilke <miwi@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	xfce4-wmdock-plugin
 PORTVERSION=	0.6.0
 PORTREVISION=	4
 CATEGORIES=	x11 xfce
 MASTER_SITES=	XFCE/panel-plugins
 DIST_SUBDIR=	xfce4
 
 MAINTAINER=	xfce@FreeBSD.org
 COMMENT=	WMdock plugin for Xfce
 
 LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
 		libfreetype.so:print/freetype2
 
-USES=		gettext-tools gmake gnome libtool pkgconfig tar:bzip2 \
-		xfce:gtk2 xorg
+USES=		compiler:c11 gettext-tools gmake gnome libtool pkgconfig \
+		tar:bzip2 xfce:gtk2 xorg
 USE_GNOME=	cairo gtk20 intltool libwnck
 USE_XFCE=	libgui panel
 USE_XORG=	x11
 
 GNU_CONFIGURE=	yes
 INSTALLS_ICONS=	yes
 
 OPTIONS_DEFINE=		NLS
 OPTIONS_SUB=		yes
 
 NLS_CONFIGURE_ENABLE=	nls
 NLS_USES=		gettext-runtime
 
 .include <bsd.port.mk>